Home / 126,298.75-174,287.93-75,285.18

Finding the Fourth Proportional to 126,298.75, 174,287.93 and 75,285.18

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Solution

The fourth proportional to 126,298.75, 174,287.93 and 75,285.18 is: 103,890.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,298.75 : 174,287.93 = 75,285.18 : x
  2. Step 2: Convert to fraction form
    126,298.75/174,287.93 = 75,285.18/x
  3. Step 3: Cross multiply
    126,298.75x = 174,287.93 × 75,285.18
  4. Step 4: Simplify right side
    126,298.75x = 13,121,298,370.09
  5. Step 5: Solve for x
    x = 13,121,298,370.09/126,298.75
  6. Step 6: Final answer
    x = 103,890.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.